Junk mail

Take your name off the junk mail lists so you do not get catalogs in the mail you don't want. This will save many trees.

Recycle wire hangers

Recycle wire hangers rather than throw them out.

Recycle old newspapers

Recycling newspapers will save many trees over your lifetime.

Recycle glass

Recycle all glass products instead of throwing them out. This will reduce a lot of waste on the Earth.

Shade trees

If you plant some shade trees around your home, it will be less hot inside in the summer months. You will also be helping the Earth.

Use fans

Some rooms really don't need a window A/C if nobody is really ever in the room. For those rooms you can try using just a fan.

Turn off lights

Keep lights off in your house to save energy when you are not in the room.

Recycling ink cartridges

Recycle ink cartridges when they run out of ink rather than throw them in the garbage. This will reduce a lot of the waste if you print a lot.